Rab Neutrino Endurance 600: Ultralight warmth for serious alpine pursuits. This 600g Hydrophobic Down-filled sleeping bag offers exceptional warmth-to-weight, keeping you protected in demanding conditions. Its Pertex® Quantum Pro shell provides unrivaled weather resistance and breathability, ensuring comfort and performance where it matters most. Lightweight, packable, and built for endurance, the Neutrino Endurance 600 is your trusted companion for challenging adventures.